package com.atguigu.gulimall.order.web;

import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.concurrent.ExecutionException;

@Controller
public class OrderWebController {
    @Autowired
    OrderService orderService;
    @GetMapping("/toTrade")
    public String toTrade(Model model, HttpServletRequest request) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmVo = orderService.confirmOrder();
        model.addAttribute("confirmOrderData",confirmVo);
        return "confirm";
    }
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes){
        //下单:去创建订单,验证令牌,验证价格,锁库存
        SubmitOrderResponseVo responseVo = orderService.submitOrder(vo);
        if(responseVo.getCode() == 0){
            //下单成功来到支付页面
            model.addAttribute("submitOrderResp",responseVo);
            return "pay";
        }else{
            //下单失败来到订单确认页面
            String msg = "下单失败;";
            switch (responseVo.getCode()){
                case 1: msg += "订单信息过期,请刷新再提交"; break;
                case 2: msg += "商品价格发生变化,请确认后再提交"; break;
                case 3: msg += "库存锁定失败,商品库存不足"; break;
            }
            redirectAttributes.addFlashAttribute("msg",msg);
            return "redirect:http://order.gulimall.com/toTrade";
        }
    }
}
